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Finding the Fourth Proportional to 28,230.37, 42,352.01 and 9,509.92

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Solution

The fourth proportional to 28,230.37, 42,352.01 and 9,509.92 is: 14,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.37 : 42,352.01 = 9,509.92 : x
  2. Step 2: Convert to fraction form
    28,230.37/42,352.01 = 9,509.92/x
  3. Step 3: Cross multiply
    28,230.37x = 42,352.01 × 9,509.92
  4. Step 4: Simplify right side
    28,230.37x = 402,764,226.94
  5. Step 5: Solve for x
    x = 402,764,226.94/28,230.37
  6. Step 6: Final answer
    x = 14,267.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.